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<p>In the present technology-driven era, sustainable growth and development are paramount, with a focus on minimising carbon footprints. The study highlights the importance of using mine waste in road construction to achieve sustainability. This study investigated the impact of geocells on strength parameters when used in the sub-base layer with mine waste as infill. Integrating mine waste with geocell technology enhanced the California Bearing Ratio (CBR) can mitigated rutting, and improved pavement strength and durability. A pilot study conducted at three different sample proportions from the Chandrapur Sector IV coal mine assessed the engineering properties of mine waste. Results of the CBR test showed a significant increase in strength, ranging from 1.6 to 1.65 times compared to unreinforced sections. Results show that the red soil with Basalt has a higher CBR of 65.22%, followed by Sandy soil with quarry stone and Sandstone with Stone Dust at 65.08% and 60.71%, respectively. Incorporating mine waste materials into road construction can be cost-effective, reduce the use of virgin materials, and promote a sustainable future. This underscores the potential of geocell reinforcement with mine waste to enhance its strength in road construction, offering a promising avenue for sustainable, resilient infrastructure development.</p>

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Laboratory Evaluation of Mine Waste Utilisation in Sub-base of Low-Volume Roads

  • 期刊论文

  • 发表日期：

    2026年3月24日

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  • Yallati Varshith Shankar,
  • Jagdish Gouda,
  • D. Sita Rami Reddy,
  • V. Srinivasan

摘要

In the present technology-driven era, sustainable growth and development are paramount, with a focus on minimising carbon footprints. The study highlights the importance of using mine waste in road construction to achieve sustainability. This study investigated the impact of geocells on strength parameters when used in the sub-base layer with mine waste as infill. Integrating mine waste with geocell technology enhanced the California Bearing Ratio (CBR) can mitigated rutting, and improved pavement strength and durability. A pilot study conducted at three different sample proportions from the Chandrapur Sector IV coal mine assessed the engineering properties of mine waste. Results of the CBR test showed a significant increase in strength, ranging from 1.6 to 1.65 times compared to unreinforced sections. Results show that the red soil with Basalt has a higher CBR of 65.22%, followed by Sandy soil with quarry stone and Sandstone with Stone Dust at 65.08% and 60.71%, respectively. Incorporating mine waste materials into road construction can be cost-effective, reduce the use of virgin materials, and promote a sustainable future. This underscores the potential of geocell reinforcement with mine waste to enhance its strength in road construction, offering a promising avenue for sustainable, resilient infrastructure development.